Military Engineer Services-MES has published Tender For Repair/ Maintenance Of Certain Higher Side Machinaries/ Equpt Of Central Ac Plant And Connected Works At Naval Base Kochi.. Submission Date for this Tender is 11-12-2023. AMC of Air Condition Tenders in kochi Kerala. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 21-Nov-2023 | Corrigendum1 | BOQ | 28-11-2023 |
| 2 | 28-Nov-2023 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 05-12-2023 |
| 3 | 05-Dec-2023 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 11-12-2023 |
| Sl. No. | Item Description |
| 1 | Material and labour for opening body cover and dismantling of ACCEL make compressormodel 4/65 / 6/65 repairing / maint and cleaning / servicing the serviceable parts ,replacing gaskets,replacement of shaftseals, O rings,piston rings ,suction / discharge reeds , oil scraper, rings springs and including remetalling,grinding and polishing of shaft/piston rods etc if found defective and ressembling, testing for proper functioning including proper alignment with primover complete al as specified and directed. Note: Supply only spares shall be measured and paid seperately |
| 2 | Material and labour for opening body cover and dismantling of VOLTASMake compressor model 5 H 40, for repairing/ maint and cleaning / servicing the serviceable parts ,replacing gaskets,replacement of shaftseals,suction valeve reeds,dowety rings, O rings,piston rings ,suction / discharge reeds , oil scraper, rings springs and including remetalling,grinding and polishing of shaft/piston rods etc if found defective and ressembling, testing for proper functioning including proper alignment with primover complete al as specified and directed. Note: Supply only spares shall be measured and paid seperately |
| 3 | All as per item 2 above but for compressor 5 H 60 Make : Voltas |
| 4 | All as per item 2 above but for compressor 5 H 120. Make : Voltas |
| 5 | All as per item 2 above but for compressors5F40. Make : Voltas |
| 6 | All as per item 2 above but for compressors5F20. Make : Voltas |
| 7 | Supply only the following spares for compressors 5H Model of Make Voltas :- |
| 8 | Pair of Connection rod bearing for 5H Model |
| 9 | Connecting Rod bush for 5H Model |
| 10 | Connecting Rod Pin for 5H Model |
| 11 | Piston Pin for 5H Model |
| 12 | Gasket for 5H Model |
| 13 | Piston ring compressorfor 5H Model |
| 14 | Oil Ring for 5H Model |
| 15 | Shaft seal cover for 5H Model |
| 16 | Shaft seal gasket for 5H Model |
| 17 | Shaft seal assly with ring for 5H Model |
| 18 | Connecting Rod for 5H Model |
| 19 | Cylinder sleeve for 5H Model |
| 20 | Cylinder liner with "O" rings for 5H Model |
| 21 | Solenoid valve for 5H Model |
| 22 | Power element 5H Model |
| 23 | Catchall filters for 5H Model |
| 24 | Supply and fixing suction pressure transdusers (setra) for 5H Model |
| 25 | Supply and fixing discharge pressure transducers (Setra) for 5H Model |
| 26 | Supply and fixing oil pressure transducers (Setra) for 5H Model |
| 27 | Supply only the following spares for compressors 5F Model of Make Voltas :- |
| 28 | Pair of Connection rod bearing for 5F Model |
| 29 | Connecting Rod bush for 5F type |
| 30 | Connecting Rod Pin for 5F Model |
| 31 | Piston Pin for 5F Model |
| 32 | Gasket for 5F Model |
| 33 | Piston ring compressorfor 5F Model |
| 34 | Oil Ring for 5F Model |
| 35 | Shaft seal cover for 5F Model |
| 36 | Shaft seal gasket for 5F Model |
| 37 | Shaft seal assly with ring for 5F Model |
| 38 | Connecting Rod for 5F Model |
| 39 | Cylinder sleeve for 5F Model |
| 40 | Cylinder liner with "O" rings for 5F Model |
| 41 | Solenoid valve for 5F Model |
| 42 | Power element for 5F Model |
| 43 | Catchall filters for 5F Model |
| 44 | Supply and fixing suction pressure transdusers (setra) for 5F Model |
| 45 | Supply and fixing discharge pressure transducers (Setra) for 5F Model |
| 46 | Supply and fixing oil pressure transducers (Setra) for 5F Model |
| 47 | Supply only the following spares for compressors ACCEL Model :- |
| 48 | HP/LP Dual static cut out switch (MP-15R) for ACCEL Model |
| 49 | Pair of Connection rod bearing for ACCEL Model |
| 50 | Connecting Rod bush for ACCEL Model |
| 51 | Connecting Rod Pin for ACCEL Model |
| 52 | Piston Pin for ACCEL Model |
| 53 | Gasket for ACCEL Model |
| 54 | Piston ring compressorfor ACCEL Model |
| 55 | Oil Ring for ACCEL Model |
| 56 | Shaft seal cover for ACCEL Model |
| 57 | Shaft seal gasket for ACCEL Model |
| 58 | Shaft seal assly with ring for ACCEL Model |
| 59 | Connecting Rod for ACCEL Model |
| 60 | Cylinder sleeve for ACCEL Model |
| 61 | Cylinder liner with "O" rings for ACCEL Model |
| 62 | Solenoid valve for ACCEL Model |
| 63 | Power element for ACCEL Model |
| 64 | Catchall filters for ACCEL Model |
| 65 | Supply and fixing suction pressure transdusers (setra) for ACCEL Model |
| 66 | Supply and fixing discharge pressure transducers (Setra) for ACCEL Model |
| 67 | Supply and fixing oil Pressure transducers (Setra) for ACCEL Model |
| 68 | Supply and fixing Chilled water thermister sensor with controlling cable as suitable for existing chiller socket/groove for 5 H model voltas chiller units complete all as specified and as directed. |
| 69 | Supply and fixing Chilled water thermister sensor with controlling cable as suitable for existing chiller socket/groove for 5 F model voltas chiller units complete all as specified and as directed. |
| 70 | Supply and fixing Chilled water thermister sensor with controlling cable as suitable for existing chiller socket/groove for ACCEL model chiller units complete all as specified and as directed. |
| 71 | Supply and fixing temperature sensor with cable for 5 H Model voltas units complete all as specified and as directed |
| 72 | Supply and fixing temperature sensor with cable for 5 F Model voltas units complete all as specified and as directed |
| 73 | Supply and fixing temperature sensor with cable for ACCEL Model units complete all as specified and as directed |
| 74 | Preventive maintenance and regular check up of round the clock AC Plant (Chiller and DX Type) (24 Hrs running plant) chiller unit of any model with complete accessories, controlls comprising of compressors with standared fittings, electric motor with star delta starter of suitable capacity for 2 x 60 TR = 120 TR in operation and 1 x 60 TR as standby at Seaking simulator, INS Garuda operating on R-22, DX evaporator, shell and tube condenser, suitable expansion device, chilled water pumps -3 Nos, condenser water pump - 3 Nos.The entire system to be checked for every monthinterval up to contract duration and made serviceable in case of any defects observed during the routine check up for system for smooth functioning complete all as specified and as directed. Note:- (i) Programming/ Software updatation of display panels shall be included in quoted rates (ii) Major spares for replacement shall be measured and paid under relevant items (iii) Replacement of pump glands and minor repair costing upto Rs 500/- to be included in the quoted rate. |
| 75 | All as above item No 25 but for AC plant of capacity 2 x 26 TR = 52 TR in operation and 1 x 26 TR as standby at JOC. |
| 76 | All as above item No 25 but for AC plant of capacity 2 x 20 TR = 40 TR in operation and 1 x 20 TR as standby at AED, INS Garuda. |
| 77 | All as above item No 25 but for AC plant of capacity 2 x 17 TR = 34 TR in operation and 1 x 17 TR as standby at INHS Sanjivani Hospital, Naval Base Kochi. |
| 78 | All as above item No 25 but for AC plant of capacity 2 x 15 TR = 30 TR in operation and 1 x 15 TR as standby at Comcen. |
| 79 | All as above item No 25 but for AC plant of capacity 2 x 15 TR = 30 TR in operation and 1 x 15 TR as standby at MOC. |
| 80 | All as above item No 25 but for AC plant of capacity 2 x 15 TR = 30 TR in operation and 1 x 15 TR as standby at Antenna Park. |
| 81 | Supply and fixing in replacement of old unsv Hand Shut off valve upto 50mm, including welding /cutting the existing ms pipe line (suction and discharge) match the exisitng surface,complete all as specified and directed. |
| 82 | Supply and fixing in replacement of old unsv expansion valve suitable for central AC upto 20 TRMake: Voltas/ACCEL |
| 83 | All as above item No 33 but capacity above 20 TR upto 40 TR Make : Voltas |
| 84 | Supply and fixing in replacement of old unsv relief valve suitable for central AC upto 120 TRMake: voltas/Accel |
| 85 | Supply and fixing in replacement of old unsvstrip heater of capacity 2-3 KW suitable to fit in existing pleanum/fitment stands complet all as specified and directed. |
| 86 | Supply & fixing of replacementof Thermal Insulation ofexposed area of ducting calss "O" with Glass cloth covering on Out door Ducts ,exposed to sunlight using Class O Nitrile Rubberof 13 mm thicknessouter sideof exisitng Ducts using manufacturer"s recommended Rubber based Adhesive in a blend of solvents complete as per specifications. Make:superlone/aerocell |
| 87 | Taking down old unserviceable canvas form AHUs duct to pleneum/Main supply air duct including dismantle of air dampers/fire dampersand supply and fix new premium quality leather type canvas locking rivits and sealing of silicon material of any size as per existing at site complete al as specified and directed. |
| 88 | Supply and fixing inreplacement of analouge pressure gauge for existing pipe lines and plants as per suitable (dia) size and model including MS bend pipe upto gauge where required at site complete all as specified and directed. |
| 89 | Supply aand fixing inreplacement of temperature gaugesfor existing pipe lines of central AC plants as per suitable size and model complete all as specified and directed |
| 90 | Supply , fabrication and erection in replacement of GI sheet with TDF flange rectangular/square ductof size 22 Gauge made out of "L" shaped hollow profile, duly factory boxed, incl all accessories such as Corner, Cleat, Carriage bolt,Gasket and appropriate sealant on longitudinal joints etc complete complete all as specified and directed. |
| 91 | All as per item 41 above but duct size 20 Gauge |
| 92 | Supply and charging Refrigerant GasR 22 in sealed cylinder all as specified and directed by Engineer in Charge. |
| 93 | Supply and charging Refrigerant GasR 134A in sealed cylinder |
| 94 | Supply only Nitrogen gas contains 12 PSI of pressure in each cylinder of 6 cum. Note for Item No 43 to 45 : Empty cylinder will returned to contractor after usage only. |
| 95 | Supply and fix in repairs poly F plus PB classicalV- Belts suitable for existingCompressor motor and AHU motor sizes (any type of B -Series) all as specified and directed.Make : Fenner/Dunlopp |
| 96 | Supply and fix in repairs poly F plus PB classicalV- Belts suitable for existingCompressor motor and AHU motor sizes (any type of A -Series) all as specified and directed. Make : Fenner/Dunlopp |
| 97 | Supply and fixing in replacement of tyre coupling along with nutbolts suitable as existing connections of primemover and compressor complete all as specified and directed. |
| 98 | Supply and charging,testing of compressor oil superior quality in sealed barrel all as specified and directed by Engineer in Charge. Make:IOC/HPCL/BPCL |
| 99 | Supply ands fixing in replacement of microprocessorcontrol panels VLRP type working with 15VACfor voltas control panels, make for 5H model central AC plant suitable for chilled water type and fitting for existing panels. Make: voltas(Soft hard) |
| 100 | Supply ands fixing in replacement of microprocessorcontrol panels VLRP type working with 15VACfor voltas control panels, make for 5H model central AC plant suitable for DX type and fitting for existing panels. Make: voltas(Soft hard) |
| 101 | Supply ands fixing in replacement of microprocessorcontrol panels VLRP type working with 15VACfor voltas control panels, make for 5F model central AC plant suitable for chilled water type and fitting for existing panels. Make: voltas(Soft hard) |
| 102 | Supply ands fixing in replacement of microprocessorcontrol panels VLRP type working with 15VACfor voltas control panels, make for 5F model central AC plant suitable for DX type and fitting for existing panels. Make: voltas(Soft hard) |
| 103 | Supply ands fixing in replacement of microprocessorcontrol panels for blue star make package type AC plant as suitable for invertor/normal operation type machines and fitting with all connected items for smooth operation of plants complete all as specified and as directed. Make: Blue star |
| 104 | Material and labour for brazzing/welding work at refrigerent copper pipe lines(suction/discharge) and rectify the fault and recharge the refrigerent as desired level in AC units. Note: welding material,copper pipe material,welding gas cylinder shall be provided by contractor with his own transport upto near the centrl/Package AC plants inside Naval Base. |
| 105 | Supply and replacement of scroll type compressor of capacity of package type upto 8.75 TR 3 phase 415V including removing the existing unserviceable compressor with alteration to existing connections incl refrigerant charging of suitable refrigerent upto working pressure as required complete all as directed. Make : Copeland/Danfoss |
| 106 | Supply and fixingof Hard PVC Piping 40 mm up to drain disposal area with nitrile rubber insulation complete all as specified and directed. |
| 107 | Supply and fixing 600MMX600MMfresh air inlet made-out of GI sheet 22 SWG duly fabricated with splitter damper arrangement and cowl and bird screen complete all as specified and directed. |
| 108 | Supply and fixing ofsupply/return air diffusers of machine fabricated madeout ofaluminium 18G sheet construction of various sizes duly powder coated of approved colour to suitable asexisting duct projestions/openings including GI collar VCD for supply air inlet all as specified and directed. |
| 109 | M & L Steel structural fabrication works fabricated from structural steel sections including nuts,cable trays,clamps bolts,washers, welding ,bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primary coat, one under coat and one finishing coat of paint complete all as specified and directed. |
| 110 | Taking down old existing GI pipes, supply , laying including welding, connecting and painting two coat of synthetic enamel paint complete of medium grade with all fittings and fixtures laid in floors or fixed to walls and ceilings etc for 125mm size complete all as specified and directed. |
| 111 | All as per item No. 61 but for 100 mm complete all as specified and directed. |
| 112 | All as per item No. 61 but for 80 mm complete all as specified and directed |
| 113 | All as per item No. 61 but for 65 mm complete all as specified and directed |
| 114 | M&L forattending breakdown complaints pertains to higher side ofvarious Central AC plant of any capacity as and when required by Ref-Mech and helper , with neccessary T&Pfor checking the equipment at existing location, find out the faults to the equipments,complete andrectification of minor problems(solinoid failures,oil pressure/ oil/suction/discharge pressurere settings,sensor errors,compressor control panel resetting,replacement/resetting oftransduser etc) to make the plant functional in all respect all as directed by the Engr- in-Charge. Note: Major spares shall be measured and paid seperately |
| 115 | Material and labour for leak testing of chiller unit of capcaity upto 150 TR, by pressuring the unit with nitrogen gas as per OEM standards and hold for 8 hrs to check the pressure and flush out ntirogen gas and charging of refrigerant of required quantity after arresting the leak or capping the condenser/chiller tubes if necessary.The chiller shall kept in operation for 8 hrs and ensure there is no pressure drop and all as specified and as directed by EIC.Note :- The refrigerant gas and nitrogen gas shall be measured and paid separately under relevant item. |
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